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Almost There at Comet Hartley 2This close-up view of comet Hartley 2 was taken as NASA's EPOXI mission approached the comet at 6:59 a.m. PDT (9:59 a.m. EDT). The spacecraft's Medium-Resolution Instrument snapped the picture from a distance of 816 kilometers (507 miles). The sun is to the right. The comet's nucleus, or main body,...
